electronic theses and dissertations from 2009: recent submissions
now showing items 1221-1240 of 1627
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in vitro antioxidant and antibacterial activity of twenty-one northern ontario medicinal plants
(2014-01-22)aboriginal communities in the northern ontario region utilize an abundance of locally grown medicinal plants. however, no prior documentation or phytochemical studies on the northern ontario medicinal plants existed in ... -
pretreatment and conditioning of municipal wastewater secondary sludge using freezing and a combination of ultrasound and freezing
(2014-01-22)with the cost of sludge management on the rise, the volume reduction of municipal wastewater sludge is becoming an increasingly important issue for wastewater treatment plants. current research is focused on pretreatment ... -
role of safe sites in black spruce recruitment and growth release in post-fire kalmia heath
(2014-01-22)the goal of this thesis was to explain black spruce regeneration in postfire sheep laurel (kalmia angustifolia l., hereafter referred to as kalmia) dominated chronosequence in light of safe site density. the concept of ... -
northern wild rice (zizania palustris l.) as a phytoremediation species in eutrophic wetlands - investigation of root-sediment interactions
(2014-01-22)the causes of anthropogenic eutrophication in water bodies are multi-faceted and multigenerational, presenting an ever increasing need for effective and sustainable solutions.phytoremediation presents a cost-effective ... -
understanding a northern community's adaptation to climate change and tourism development
(2014-01-22)this thesis focuses on community perspectives of tourism development and climate change in the community of nain, newfoundland and labrador. it employed a conceptual model of vulnerability developed by ford, smit and wandel ... -
the role of co-construction of the clock model in the development of fractional understanding in a grade 4/5 classroom
(2014-01-22)the focus of this case study was to determine the impact of the co-construction and use of the clock model in the development of fractional understanding in a grade 4/5 classroom. a pretest, instruction, midtest, intervention, ... -
critical reflection in the secondary classroom: anti-oppression education
(2014-01-22)this thesis argues that schools are sites where an ideology of colonialism is reproduced through the roles of the institution, the educators (and their education), the 世界杯2022赛程表淘汰赛 and the absence of an integrated community. ... -
influence of riparian harvesting on boreal understory vegetation
(2014-01-22)in the boreal forest, understory vegetation accounts for the majority of floristic diversity and affects overstory succession and productivity, nutrient cycling, and wildlife habitat. in riparian forests, understory ... -
understanding the acculturation experience of first nations workers in northwestern ontario's urban workforce
(2014-01-22)i was raised in thunder bay, a city in ontario, on the northwest shore of lake superior. during university i studied in sweden for one year in a university with 150 other exchange 世界杯2022赛程表淘汰赛 from over 21 countries. living ... -
electrochemical methods and membrane bioreactor approach for wastewater treatment and water quality assessment
(2014-01-22)severe water scarcity, high health standards, and strict disposal limits have necessitated the development of novel and robust strategies for wastewater remediation and water quality analysis at lower cost with reduced ... -
economic analysis of vegetation management alternatives in ontario
(2014-01-22)vegetation management practices have become an integral component of forest management. economics of alternative vegetation management treatments were analyzed in this thesis on the basis of two journal papers. six research ... -
mathematically-based stories in junior classes : do stories change attitudes toward mathematics?
(2014-01-22)this study explored evidence of a change in 世界杯2022赛程表淘汰赛 ' attitude towards mathematics in junior classes through the use of a mathematically-based stories unit. using a questionnaire, observations, interviews, and classroom ... -
the effect of omega-3 polyunsaturated fatty acid supplementation on lipid composition, oxidative stress, and aldehyde concentrations in rat liver and brain
(2014-01-22)oxidative stress is caused by an imbalance between the production and removal of reactive oxygen species (ros). polyunsaturated fatty acids (pufa), due to their multiple carbon-carbon double bonds, react readily with ros ... -
assessing and characterizing the inductive effect through silicon containing backbones and on silicon reactivity
(2014-01-22)this thesis describes a study of the inductive effect in derivatives of bicyclo[1.1.1.]pentane; chosen because it eliminates any possibility of conjugation between the substituent and probe, and keeps the steric effect ... -
the effect of removing examinees with low motivation on item response data calibration
(2014-01-22)many item-response models (irm) used to estimate student abilities and test item parameters in large-scale assessments (lsa) do not account for the effect of student low motivation. this effect may pose a threat to the ... -
physical and mechanical property variation of black ash (fraxinus nigra m.) grown in the thunder bay seed zone
(2014-01-22)the identification of traditionally underutilized species with the potential for development and increased marketing potential has been recognized as a source of potential innovation in the northwestern ontario forest ... -
personality and early maladaptive schemas differentiating persons who engage in infrequent versus pathological non-suicidal self-injury
(2014-01-22)non-suicidal self-injury (nssi) is used as a coping mechanism for regulating emotions and communicating distress. research has contributed to understanding the prevalence, forms, and functions of nssi, but little is known ... -
development and implementation of high performance and high efficiency interior permanent magnet synchronous motor drive
(2014-01-22)as the motor consumes more than 50% of total electrical energy produced in the world, the efficiency optimization of the motor is a burning issue in terms of saving energy and the environment. in modern days researchers ... -
expression of t4 lysozyme gene in escherichia coli and trichoderma reesei
(2014-01-22)the t4 lysozyme, from bacteriophage t4, has the ability to lyse bacterial cell walls; thus it has attracted immense attention as an antimicrobial agent. nonetheless, the production of t4l cannot meet our needs. all of the ... -
an integrated ultrasound transducer driver for hifu applications
(2014-01-22)this thesis proposes an mri-compatible integrated cmos ampli er that is capable of di- rectly driving an ultrasound transducer for hifu applications. the output stage of the integrated amplifier operates in class de mode ...
